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bird songs

One of the things I most look forward to each spring is the arrival of the year’s first Swainson’s thrush. They announce their presence through, first, their calls, then a bit later the males will start to sing: usually in the late dusk, long after most other birds have gone to roost for the evening. They are shy and secretive birds that prefer dense thickets of deciduous brush and mature trees. We are fortunate to have them in our yard, and it seems the past couple of years there are more of them.

Once you learn the clear whistling “whit” of their calls, and the entrancing flutelike song, you’ll never forget them.

For the past couple of months we’ve been hearing a lot from the latest progeny of our resident Great Horned Owls. The youngsters are loathe to fend for themselves, preferring instead to follow their parents around all night and beg. The owls’ begging call is a rather unnerving screech, appropriately Halloween-ish. Sometimes the screech is loud and insistent, and sometimes softer and more plaintive. Perhaps the teens are trying out different tactics for attracting a few more free meals before the folks kick them out of the house for good.

Winter is my favorite time of year to work in the woods. Here in the Pacific Northwest lowlands, it rarely snows and temperatures hover just below 50 degrees in the daytime. It’s usually overcast and damp-to-wet. You’d think the woods would be a bit on the depressing side, but I find them intimately composed. The constant dampness stimulates the growth of the most amazing moss gardens (which deserve a post of their own) and sounds are muffled.

One sound, however, infiltrates the muted woodland: the calls of flocks of Kinglets. In the Pacific Northwest the Golden-crowned Kinglet is a year-round resident, but his high, thin call is drowned out by stronger singers – except in winter. If you happen to be working or hiking in the woods and stop to take a breather, you might become conscious of a high-pitched tzee-tzee-tzee from somewhere in the trees around you. The sound diffuses quickly and is difficult to pintpoint, but if you look towards the sounds you might catch flickers of movement. Kinglets are diminutive and move ceaselessly, searching for tiny geometrid caterpillars (better known as inchworms).

Kinglets are such beautiful exemplars of winter survival that Bernd Heinrich devotes several chapters of his book Winter World to them. I highly recommend the book if you spend any amount of time outdoors in winter. Or just listen to the song recording below, and next time you’re out in the winter woods open your ears and listen for the call. You might find that the woods in winter are not empty and silent, after all.